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rings (K gold)

K24 and K18 are indicators of gold purity; K24 is pure gold, and K18 is an alloy containing 75% gold and 25% other metals.
K24 is bright yellow and has a high gloss but is easily scratched, while K18 is a pale yellow and has a low gloss but is resistant to scratches.
Gold has different characteristics depending on its purity.

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Sold outCARTIER Trinity SM Diamond Full Circle No. 55/15 Ring K18 White Gold/Pt950 Platinum/Black Ceramic Unisex [Used AB] 20231119CARTIER Trinity SM Diamond Full Circle No. 55/15 Ring K18 White Gold/Pt950 Platinum/Black Ceramic Unisex [Used AB] 20231119
CARTIER Trinity SM Diamond Full Circle No. 55/15 Ring K18 White Gold/Pt950 Platinum/Black Ceramic Unisex [Used AB] 20231119 Sale price¥385,000
Sold outCARTIER Trinity 3 Row XS Three Color No. 48/8 Ring K18 Yellow Gold/K18 White Gold/K18 Pink Gold Women's [Used B] 20231119CARTIER Trinity 3 Row XS Three Color No. 48/8 Ring K18 Yellow Gold/K18 White Gold/K18 Pink Gold Women's [Used B] 20231119
CARTIER Trinity 3 Row XS Three Color No. 48/8 Ring K18 Yellow Gold/K18 White Gold/K18 Pink Gold Women's [Used B] 20231119 Sale price¥57,024
Sold outCARTIER Twist Ruby Three Color 51/10.5 Ring K18 Yellow Gold/K18 White Gold/K18 Pink Gold Women's [Used AB] 20231124CARTIER Twist Ruby Three Color 51/10.5 Ring K18 Yellow Gold/K18 White Gold/K18 Pink Gold Women's [Used AB] 20231124
CARTIER Twist Ruby Three Color 51/10.5 Ring K18 Yellow Gold/K18 White Gold/K18 Pink Gold Women's [Used AB] 20231124 Sale price¥63,800
Sold outCARTIER Combi Vintage 52/11 Ring K18 Yellow Gold/K18 White Gold Women's [Used AB] 20231118CARTIER Combi Vintage 52/11 Ring K18 Yellow Gold/K18 White Gold Women's [Used AB] 20231118
CARTIER Combi Vintage 52/11 Ring K18 Yellow Gold/K18 White Gold Women's [Used AB] 20231118 Sale price¥59,400
Sold outBoucheron QUATRE CLASSIQUE Small JRG0062760 No. 19 Ring K18 Yellow Gold/Diamond Men's [Used B] 20230920Boucheron QUATRE CLASSIQUE Small JRG0062760 No. 19 Ring K18 Yellow Gold/Diamond Men's [Used B] 20230920
Boucheron QUATRE CLASSIQUE Small JRG0062760 No. 19 Ring K18 Yellow Gold/Diamond Men's [Used B] 20230920 Sale price¥300,960
Sold outTIFFANY&Co. Ribbon No. 11.5 Ring K18 Yellow Gold Women's [Used AB] 20231104TIFFANY&Co. Ribbon No. 11.5 Ring K18 Yellow Gold Women's [Used AB] 20231104
TIFFANY&Co. Ribbon No. 11.5 Ring K18 Yellow Gold Women's [Used AB] 20231104 Sale price¥44,935
Save ¥11,000Sold outTIFFANY&Co. Tiffany Open Heart 7P Diamond K18YG Women's Ring No. 9 [Used B/Standard] 20418886TIFFANY&Co. Tiffany Open Heart 7P Diamond K18YG Women's Ring No. 9 [Used B/Standard] 20418886
TIFFANY&Co. Tiffany Open Heart 7P Diamond K18YG Women's Ring No. 9 [Used B/Standard] 20418886 Sale price¥110,000 Regular price¥121,000
Sold outCARTIER Twist Emerald Three Colors K18YG K18WG K18 Pink Gold Women's Ring No. 7 [Used AB/Slightly Used] 20431192CARTIER Twist Emerald Three Colors K18YG K18WG K18 Pink Gold Women's Ring No. 7 [Used AB/Slightly Used] 20431192
CARTIER Twist Emerald Three Colors K18YG K18WG K18 Pink Gold Women's Ring No. 7 [Used AB/Slightly Used] 20431192 Sale price¥64,900
Sold outTIFFANY&Co. Stacking 2 Point Baguette Cut Sapphire No. 7 Ring K18 Yellow Gold Women's [Used B] 20231004TIFFANY&Co. Stacking 2 Point Baguette Cut Sapphire No. 7 Ring K18 Yellow Gold Women's [Used B] 20231004
TIFFANY&Co. Stacking 2 Point Baguette Cut Sapphire No. 7 Ring K18 Yellow Gold Women's [Used B] 20231004 Sale price¥62,700
Sold outTIFFANY&Co. Tiffany Signature Cross K18YG Diamond Women's Ring No. 9 [Used B/Standard] 20431687TIFFANY&Co. Tiffany Signature Cross K18YG Diamond Women's Ring No. 9 [Used B/Standard] 20431687
TIFFANY&Co. Tiffany Signature Cross K18YG Diamond Women's Ring No. 9 [Used B/Standard] 20431687 Sale price¥79,200
Sold outCARTIER Trinity 3-row K18YG K18PG K18 White Gold Women's Ring 49/8 [Used B/Standard] 20431530CARTIER Trinity 3-row K18YG K18PG K18 White Gold Women's Ring 49/8 [Used B/Standard] 20431530
CARTIER Trinity 3-row K18YG K18PG K18 White Gold Women's Ring 49/8 [Used B/Standard] 20431530 Sale price¥69,850
Save ¥9,075Sold outChristian Dior Sapphire Ring Mele Diamond D0.08ct Vintage No. 13.5 Ring K18 Yellow Gold Women's [Used B] 20220907Christian Dior Sapphire Ring Mele Diamond D0.08ct Vintage No. 13.5 Ring K18 Yellow Gold Women's [Used B] 20220907
Christian Dior Sapphire Ring Mele Diamond D0.08ct Vintage No. 13.5 Ring K18 Yellow Gold Women's [Used B] 20220907 Sale price¥67,925 Regular price¥77,000
Sold outno brand Diamond Ring D0.52ct Clover Motif Size 13.5 Ring K18 Yellow Gold Women's [Used B] 20220907no brand Diamond Ring D0.52ct Clover Motif Size 13.5 Ring K18 Yellow Gold Women's [Used B] 20220907
no brand Diamond Ring D0.52ct Clover Motif Size 13.5 Ring K18 Yellow Gold Women's [Used B] 20220907 Sale price¥50,160
Sold outTIFFANY&Co. Vintage Friendship Tourmaline No. 9 Ring K18 Yellow Gold Women's [Used B] 20230914TIFFANY&Co. Vintage Friendship Tourmaline No. 9 Ring K18 Yellow Gold Women's [Used B] 20230914
TIFFANY&Co. Vintage Friendship Tourmaline No. 9 Ring K18 Yellow Gold Women's [Used B] 20230914 Sale price¥52,250
Sold outTIFFANY&Co. Tiffany Milgrain K18YG Women's Ring No. 14 [Used AB/Slightly Used] 20428691TIFFANY&Co. Tiffany Milgrain K18YG Women's Ring No. 14 [Used AB/Slightly Used] 20428691
TIFFANY&Co. Tiffany Milgrain K18YG Women's Ring No. 14 [Used AB/Slightly Used] 20428691 Sale price¥53,900
Sold outTIFFANY & Co. (Tiffany & Co.) T Wire No. 9 Ring K18 Yellow Gold Women's [Used B] 20230914TIFFANY & Co. (Tiffany & Co.) T Wire No. 9 Ring K18 Yellow Gold Women's [Used B] 20230914
TIFFANY & Co. (Tiffany & Co.) T Wire No. 9 Ring K18 Yellow Gold Women's [Used B] 20230914 Sale price¥73,150
Sold outTIFFANY&Co. Solitaire 1P Diamond 0.37ct No. 11 Ring K18 Yellow Gold/Pt950 Platinum Women's [Used B] 20230908TIFFANY&Co. Solitaire 1P Diamond 0.37ct No. 11 Ring K18 Yellow Gold/Pt950 Platinum Women's [Used B] 20230908
TIFFANY&Co. Solitaire 1P Diamond 0.37ct No. 11 Ring K18 Yellow Gold/Pt950 Platinum Women's [Used B] 20230908 Sale price¥111,100
Sold outBVLGARI B Zero One No. 12 Ring K18 White Gold Women's [Used B] 20230906BVLGARI B Zero One No. 12 Ring K18 White Gold Women's [Used B] 20230906
BVLGARI B Zero One No. 12 Ring K18 White Gold Women's [Used B] 20230906 Sale price¥54,653
Sold outPomellato [Incomplete] Nude Classic Madera Quartz K18YG Women's Ring No. 8.5 [Used B/Standard] 20425177Pomellato [Incomplete] Nude Classic Madera Quartz K18YG Women's Ring No. 8.5 [Used B/Standard] 20425177
Pomellato [Incomplete] Nude Classic Madera Quartz K18YG Women's Ring No. 8.5 [Used B/Standard] 20425177 Sale price¥148,500
Sold outMIKIMOTO Ruby K18YG Pearl Women's Ring No. 7 Gold [Used AB/Slightly used] 20408625MIKIMOTO Ruby K18YG Pearl Women's Ring No. 7 Gold [Used AB/Slightly used] 20408625
MIKIMOTO Ruby K18YG Pearl Women's Ring No. 7 Gold [Used AB/Slightly used] 20408625 Sale price¥33,000
Sold outCARTIER Vintage Combi 2-row K18YG K18PG Stainless Steel Unisex Ring 55/13 [Used B/Standard] 20419692CARTIER Vintage Combi 2-row K18YG K18PG Stainless Steel Unisex Ring 55/13 [Used B/Standard] 20419692
CARTIER Vintage Combi 2-row K18YG K18PG Stainless Steel Unisex Ring 55/13 [Used B/Standard] 20419692 Sale price¥57,970
Save ¥2,200Sold outTIFFANY&Co. Milgrain No. 8.5 Ring K18 Yellow Gold Women's [Used AB] 20231102TIFFANY&Co. Milgrain No. 8.5 Ring K18 Yellow Gold Women's [Used AB] 20231102
TIFFANY&Co. Milgrain No. 8.5 Ring K18 Yellow Gold Women's [Used AB] 20231102 Sale price¥44,000 Regular price¥46,200
Sold outFRED Force 10 Medium Diamond No. 11 Ring K18 Yellow Gold Women's 20230620FRED Force 10 Medium Diamond No. 11 Ring K18 Yellow Gold Women's 20230620
FRED Force 10 Medium Diamond No. 11 Ring K18 Yellow Gold Women's 20230620 Sale price¥88,000
Sold outTIFFANY&Co. Open Heart No. 12 Ring K18 Pink Gold Women's 20230620TIFFANY&Co. Open Heart No. 12 Ring K18 Pink Gold Women's 20230620
TIFFANY&Co. Open Heart No. 12 Ring K18 Pink Gold Women's 20230620 Sale price¥67,650
Sold outCARTIER Love Ring 3P Diamond No. 7 Ring K18 Yellow Gold Women's 20230620CARTIER Love Ring 3P Diamond No. 7 Ring K18 Yellow Gold Women's 20230620
CARTIER Love Ring 3P Diamond No. 7 Ring K18 Yellow Gold Women's 20230620 Sale price¥138,600
Sold outVANDOME 3P Diamond No. 3 Ring K18 Yellow Gold Women's 20230612VANDOME 3P Diamond No. 3 Ring K18 Yellow Gold Women's 20230612
VANDOME 3P Diamond No. 3 Ring K18 Yellow Gold Women's 20230612 Sale price¥18,700
Save ¥14,025Sold outCarrera y Carrera Panther Motif Diamond No. 21 Ring K18 Yellow Gold Unisex 20230606Carrera y Carrera Panther Motif Diamond No. 21 Ring K18 Yellow Gold Unisex 20230606
Carrera y Carrera Panther Motif Diamond No. 21 Ring K18 Yellow Gold Unisex 20230606 Sale price¥161,975 Regular price¥176,000
Save ¥19,800Sold outVan Cleef & Arpels Vintage Alhambra 1PD Mother of Pearl No. 8 Ring K18 Yellow Gold Women's [Used B] 20230606Van Cleef & Arpels Vintage Alhambra 1PD Mother of Pearl No. 8 Ring K18 Yellow Gold Women's [Used B] 20230606
Van Cleef & Arpels Vintage Alhambra 1PD Mother of Pearl No. 8 Ring K18 Yellow Gold Women's [Used B] 20230606 Sale price¥271,700 Regular price¥291,500
Sold outCARTIER Trinity [Incomplete]*Name No. 10 Ring K18 White Gold Women's 20230530CARTIER Trinity [Incomplete]*Name No. 10 Ring K18 White Gold Women's 20230530
CARTIER Trinity [Incomplete]*Name No. 10 Ring K18 White Gold Women's 20230530 Sale price¥71,500
Sold outCARTIER Ruby Twist Three Colors K18YG K18PG K18 White Gold Women's Ring No. 9.5 [Used B/Standard] 20407903CARTIER Ruby Twist Three Colors K18YG K18PG K18 White Gold Women's Ring No. 9.5 [Used B/Standard] 20407903
CARTIER Ruby Twist Three Colors K18YG K18PG K18 White Gold Women's Ring No. 9.5 [Used B/Standard] 20407903 Sale price¥63,800
Save ¥17,050Sold outTIFFANY&Co. T Wire Diamond No. 7 Ring K18 White Gold Women's 20230529TIFFANY&Co. T Wire Diamond No. 7 Ring K18 White Gold Women's 20230529
TIFFANY&Co. T Wire Diamond No. 7 Ring K18 White Gold Women's 20230529 Sale price¥114,950 Regular price¥132,000
Save ¥7,040Sold outChopard Happy Diamond 1P Diamond Teardrop No. 11 Ring K18 Yellow Gold Women's 20230524Chopard Happy Diamond 1P Diamond Teardrop No. 11 Ring K18 Yellow Gold Women's 20230524
Chopard Happy Diamond 1P Diamond Teardrop No. 11 Ring K18 Yellow Gold Women's 20230524 Sale price¥91,960 Regular price¥99,000
Save ¥10,450Sold outCARTIER Love Ring No. 9.5 Ring K18 Yellow Gold Women's 20230524CARTIER Love Ring No. 9.5 Ring K18 Yellow Gold Women's 20230524
CARTIER Love Ring No. 9.5 Ring K18 Yellow Gold Women's 20230524 Sale price¥94,050 Regular price¥104,500
Save ¥3,300Sold outCARTIER Love Ring 3P Diamond No. 8 Ring K18 Yellow Gold Women's 20230524CARTIER Love Ring 3P Diamond No. 8 Ring K18 Yellow Gold Women's 20230524
CARTIER Love Ring 3P Diamond No. 8 Ring K18 Yellow Gold Women's 20230524 Sale price¥101,200 Regular price¥104,500
Save ¥14,850Sold outTIFFANY&Co. Flora Continuous Low Emerald Diamond No. 8 Ring K18 Yellow Gold Women's [Used B] 20230427TIFFANY&Co. Flora Continuous Low Emerald Diamond No. 8 Ring K18 Yellow Gold Women's [Used B] 20230427
TIFFANY&Co. Flora Continuous Low Emerald Diamond No. 8 Ring K18 Yellow Gold Women's [Used B] 20230427 Sale price¥177,650 Regular price¥192,500
Sold outGUCCI Gucci Icon K18WG Unisex Ring No. 13 [Used B/Standard] 20403790GUCCI Gucci Icon K18WG Unisex Ring No. 13 [Used B/Standard] 20403790
GUCCI Gucci Icon K18WG Unisex Ring No. 13 [Used B/Standard] 20403790 Sale price¥36,850
Sold outMIKIMOTO Pearl x Diamond Size 10.5 Ring K18 Yellow Gold Women's [Used B] 20230331MIKIMOTO Pearl x Diamond Size 10.5 Ring K18 Yellow Gold Women's [Used B] 20230331
MIKIMOTO Pearl x Diamond Size 10.5 Ring K18 Yellow Gold Women's [Used B] 20230331 Sale price¥39,710
Save ¥5,500Sold outBVLGARI Parentesi No. 12.5 Ring Stainless Steel/K18 Yellow Gold Women's [Used B] 20230323BVLGARI Parentesi No. 12.5 Ring Stainless Steel/K18 Yellow Gold Women's [Used B] 20230323
BVLGARI Parentesi No. 12.5 Ring Stainless Steel/K18 Yellow Gold Women's [Used B] 20230323 Sale price¥62,700 Regular price¥68,200
Sold outCARTIER Tank Française No. 7 Ring K18 White Gold Women's [Used AB] 20230323CARTIER Tank Française No. 7 Ring K18 White Gold Women's [Used AB] 20230323
CARTIER Tank Française No. 7 Ring K18 White Gold Women's [Used AB] 20230323 Sale price¥71,500
Save ¥2,640Sold outTASAKI Ribbon Motif Mele 0.02 One Grain Approx. 6.4mm No. 7 Ring K18 Yellow Gold/Pearl Women's [Used AB] 20230125TASAKI Ribbon Motif Mele 0.02 One Grain Approx. 6.4mm No. 7 Ring K18 Yellow Gold/Pearl Women's [Used AB] 20230125
TASAKI Ribbon Motif Mele 0.02 One Grain Approx. 6.4mm No. 7 Ring K18 Yellow Gold/Pearl Women's [Used AB] 20230125 Sale price¥29,260 Regular price¥31,900
Sold outTIFFANY&Co. Iolite No. 12 Ring K18 White Gold Women's [Used A] 20230112TIFFANY&Co. Iolite No. 12 Ring K18 White Gold Women's [Used A] 20230112
TIFFANY&Co. Iolite No. 12 Ring K18 White Gold Women's [Used A] 20230112 Sale price¥63,800
Sold outChristian Dior CD Logo 170 Mere Diamond Vintage No. 9 Ring K18 Yellow Gold/Diamond Women's [Used B] 20230106Christian Dior CD Logo 170 Mere Diamond Vintage No. 9 Ring K18 Yellow Gold/Diamond Women's [Used B] 20230106
Christian Dior CD Logo 170 Mere Diamond Vintage No. 9 Ring K18 Yellow Gold/Diamond Women's [Used B] 20230106 Sale price¥31,900
Sold outCARTIER Trinity #53 No. 9 Ring K18 Yellow Gold/K18 Pink Gold/K18 White Gold Women's [Used B] 20230105CARTIER Trinity #53 No. 9 Ring K18 Yellow Gold/K18 Pink Gold/K18 White Gold Women's [Used B] 20230105
CARTIER Trinity #53 No. 9 Ring K18 Yellow Gold/K18 Pink Gold/K18 White Gold Women's [Used B] 20230105 Sale price¥74,800
Sold outChaumet Lien Diamond Ring No. 10 Ring K18 White Gold Women's [Used B] 20221227Chaumet Lien Diamond Ring No. 10 Ring K18 White Gold Women's [Used B] 20221227
Chaumet Lien Diamond Ring No. 10 Ring K18 White Gold Women's [Used B] 20221227 Sale price¥63,745
Sold outSTAR JEWELRY Heart Motif 2 Row Twist D0.06 No. 7.5 Ring K18 Yellow Gold/Diamond Women's [Used AB] 20221220STAR JEWELRY Heart Motif 2 Row Twist D0.06 No. 7.5 Ring K18 Yellow Gold/Diamond Women's [Used AB] 20221220
STAR JEWELRY Heart Motif 2 Row Twist D0.06 No. 7.5 Ring K18 Yellow Gold/Diamond Women's [Used AB] 20221220 Sale price¥33,000
Sold outHERMES Book Le Serie Belt Design Buckle Motif #52 No. 9 Ring K18 Yellow Gold/Diamond Women's [Used AB] 20221205HERMES Book Le Serie Belt Design Buckle Motif #52 No. 9 Ring K18 Yellow Gold/Diamond Women's [Used AB] 20221205
HERMES Book Le Serie Belt Design Buckle Motif #52 No. 9 Ring K18 Yellow Gold/Diamond Women's [Used AB] 20221205 Sale price¥167,200